Copy ZenDesk data into MySQL db

Does what it says on the tin, for use in cron etc.

Written by @i1yaz Comissioned by @foshdafosh

Installation:

ZenDesk
- Users
- Identities
- Organisations
- Tickets
Xero
- Contacts
- Sales Invoices
- Quotes
- Items
- Employee details
- Staff Leave
- Staff Timesheets
- Users
Xero - History and Notes etc - Ideally need a way to manually load all the notes, history and other specific data for a specific ID, for these endpoints:
- Contacts
- Sales Invoices
  - Online Invoice
  - Line Items
  - Repeating Invoices
- Quotes
- Items
Date Dimension regeneration
- Template
- Use first and last dates in available data as start and end (SELECT rng.EarliestDate, rng.LatestDate FROM dates_range AS rng;)
- Create dates_holidays table, and automatically populate using this file
ProcessSt
- Users
- Templates
- Checklists
- Assignments
TeamViewer
Metis (API in Beta)
- Channels
- Customers
- Calls
- Invoices
Gandi
- Domains
- LiveDNS
- Email
- Billing
- Organisation
- Templates
Uptime Robot
- Monitors
- Alert Contacts
- Maintainance Windows
- Public Status Pages
WHM / cPanel
- Account Summary
- Disk Usage
GoCardless
- Customers
- Payments
- Plans
- Payouts
- Events
Square
Mailchimp
MySQL Import
- Import tables from multiple MySQL databases, adding a prefix to tables (db1_mytable, db2_thattable etc) for each database
Denormalise data using Views
Clockify - merge original project into this one
eBay
Use webhooks etc to keep data up to date during the day
- ZenDesk
- Xero
- ProcessSt
- Metis
- Uptime Robot